Home / 109,217.80-163,826.76-30,332.02

Finding the Fourth Proportional to 109,217.80, 163,826.76 and 30,332.02

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Solution

The fourth proportional to 109,217.80, 163,826.76 and 30,332.02 is: 45,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217.80 : 163,826.76 = 30,332.02 : x
  2. Step 2: Convert to fraction form
    109,217.80/163,826.76 = 30,332.02/x
  3. Step 3: Cross multiply
    109,217.80x = 163,826.76 × 30,332.02
  4. Step 4: Simplify right side
    109,217.80x = 4,969,196,560.86
  5. Step 5: Solve for x
    x = 4,969,196,560.86/109,217.80
  6. Step 6: Final answer
    x = 45,498.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.